The study does not appear to be longitudinal, so what it is showing is association, not causality. It could actually be foreboding a kind of "rich get richer, p

The study does not appear to be longitudinal, so what it is showing is association, not causality. It could actually be foreboding a kind of "rich get richer, poor get poorer" spiral as the "cognitively advantaged" offload less, dampening the (undemonstrated) impact on their critical thinking skills.